B-cell leukemia/lymphoma panel is a test that looks for certain proteins on the surface of white blood cells called B-lymphocytes. The proteins serve as markers that may be helpful in diagnosing leukemia or lymphoma.
A blood sample is needed. Blood is drawn in the following way:
In infants or young children, a sharp tool called a lancet may be used to puncture the skin and make it bleed. The blood collects into a small glass tube called a pipette, or onto a slide or test strip. Afterward, a bandage may be placed over the area if there is any bleeding.
The blood sample is sent to a laboratory, where a specialist checks the cell type and characteristics. This procedure is called immunophenotyping. The test is usually done using a technique called flow cytometry.
No special preparation is usually necessary.
When the needle is inserted to draw blood, you may feel moderate pain, or only a prick or stinging sensation. Afterward, there may be some throbbing.
This test may be performed:
Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight but may include:
This special test may not be available at all laboratories.
B lymphocyte cell surface markers
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Bierman PJ, Armitage JO. Non-Hodgkin's lymphomas. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 191.
Kantarjian H, O'brien S. The chronic leukemias. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 190.
Najfeld V. Conventional and molecular cytogenetic basis of hematologic malignancies. In: Hoffman R, Benz EJ, Shattil SS, et al, eds. Hematology: Basic Principles and Practice. 5th ed. Philadelphia, PA: Elsevier Churchill-Livingstone; 2008:chap 55.
Updated by: Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Blackman, Stephanie Slon, and Nissi Wang.
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